Ba Dinh and the mausoleum
The mausoleum, the citadel, and One Pillar Pagoda are three gates, not one ticket. Hoa Lo is a fourth address, south of the lake.
Three gates
The mausoleum, the citadel, and One Pillar Pagoda do not share a ticket, so plan them as one morning with three gates.
Start at the Ho Chi Minh Mausoleum. Visitors assemble at 17 Ngoc Ha, and visits run only in the morning on Tuesday, Wednesday, Thursday, Saturday, and Sunday, closing by 10:30 to 11:30 depending on the season and the day. The mausoleum is shut from 4 September to 2 November 2026 for maintenance. Walking Ba Dinh Square needs no ticket.
Then walk to the Imperial Citadel at 19c Hoang Dieu, inscribed by UNESCO in 2010, open 8:00 to 17:00 every day, and to One Pillar Pagoda, the small wooden shrine on a single stone pillar.
Ho Chi Minh Mausoleum A morning line at 17 Ngoc Ha, on open days only. Closed Monday and Friday. 
Imperial Citadel Doan Mon Gate and the flag tower in the UNESCO sector. Open every day, 8:00 to 17:00. 
One Pillar Pagoda The small wooden pagoda on one stone pillar, a short walk from the citadel. Go in the morning. Hoa Lo
Hoa Lo is the remaining prison at 1 Hoa Lo, south of the lake, with Maison Centrale still over the gate. It opens 8:00 to 17:00 every day, including holidays, with no lunch break. Under 16 is free.
